Home / 494,642.06-742,080.05-393,821.34

Finding the Fourth Proportional to 494,642.06, 742,080.05 and 393,821.34

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Solution

The fourth proportional to 494,642.06, 742,080.05 and 393,821.34 is: 590,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,642.06 : 742,080.05 = 393,821.34 : x
  2. Step 2: Convert to fraction form
    494,642.06/742,080.05 = 393,821.34/x
  3. Step 3: Cross multiply
    494,642.06x = 742,080.05 × 393,821.34
  4. Step 4: Simplify right side
    494,642.06x = 292,246,959,678.27
  5. Step 5: Solve for x
    x = 292,246,959,678.27/494,642.06
  6. Step 6: Final answer
    x = 590,825.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.